/**
* 显示验证码
*/
function create()
{
$this->image = imageCreate($this->width, $this->height);
$this->back = $this->getColor($this->bgcolor);
imageFilledRectangle($this->image, 0, 0, $this->width, $this->height, $this->back);
$size = $this->width / $this->charLen - 4;
if ($size > $this->height) {
$size = $this->height;
}
$left = ($this->width - $this->charLen * ($size + $size / 10)) / $size + 5;
$code = '';
for ($i = 0; $i < $this->charLen; $i++) {
$randKey = rand(0, count($this->arrChr) - 1);
$randText = $this->arrChr[$randKey];
$code .= $randText;
$textColor = imageColorAllocate($this->image, rand(0, 100), rand(0, 100), rand(0, 100));
$font = $this->fontPath . '/' . rand(1, 5) . ".ttf";
$randsize = rand($size - $size / 10, $size + $size / 10);
$location = $left + ($i * $size + $size / 10);
@imagettftext($this->image, $randsize, rand(-18, 18), $location, rand($size - $size / 10, $size + $size / 10) + 2, $textColor, $font, $randText);
}
if ($this->showNoisePix == true) {
$this->setNoisePix();
}
if ($this->showNoiseLine == true) {
$this->setNoiseLine();
}
if ($this->showBorder == true) {
$this->borderColor = $this->getColor($this->borderColor);
imageRectangle($this->image, 0, 0, $this->width - 1, $this->height - 1, $this->borderColor);
}
$this->text = strtolower($code);
}
/**
* @see wcf\system\image\adapter\IImageAdapter::createEmptyImage()
*/
public function createEmptyImage($width, $height)
{
$this->image = imageCreate($width, $height);
$this->type = IMAGETYPE_PNG;
$this->setColor(0xff, 0xff, 0xff);
$this->color = null;
}
function Graph($res)
{
if ($res == "svga") {
$wd = "800";
$ht = "600";
} elseif ($res == "xga") {
$wd = "1024";
$ht = "768";
} elseif ($res == "sxga") {
$wd = "1280";
$ht = "1024";
} elseif ($res == "uxga") {
$wd = "1600";
$ht = "1200";
} else {
$wd = "640";
$ht = "480";
}
$this->img = imageCreate($wd, $ht);
$this->wte = imageColorAllocate($this->img, 255, 255, 255);
$this->blk = imageColorAllocate($this->img, 0, 0, 0);
$this->gry = imageColorAllocate($this->img, 100, 100, 100);
$this->red = imageColorAllocate($this->img, 150, 0, 0);
$this->grn = imageColorAllocate($this->img, 0, 150, 0);
$this->blu = imageColorAllocate($this->img, 0, 0, 150);
imagestring($this->img, 2, 5, 5, $res, $this->blu);
}
public static function code39($text, $height = 50, $widthScale = 1)
{
// if (!preg_match('/^[A-Z0-9-. $+\/%]+$/i', $text)) {
// throw new Exception('Invalid text input.');
// }
// $text = '*' . strtoupper($text) . '*'; // *UPPERCASE TEXT*
$length = strlen($text);
$barcode = imageCreate($length * 16 * $widthScale, $height);
$bg = imagecolorallocate($barcode, 255, 255, 255);
//sets background to yellow
imagecolortransparent($barcode, $bg);
//makes that yellow transparent
$black = imagecolorallocate($barcode, 0, 0, 0);
//defines a color for black
$chars = str_split($text);
$colors = '';
foreach ($chars as $char) {
$colors .= self::$code39[$char];
}
foreach (str_split($colors) as $i => $color) {
if ($color == 'b') {
// imageLine($barcode, $i, 0, $i, $height-13, $black);
// imageFilledRectangle($barcode, $widthScale * $i, 0, $widthScale * ($i+1) -1 , $height-13, $black);
imageFilledRectangle($barcode, $widthScale * $i, 0, $widthScale * ($i + 1) - 1, $height, $black);
}
}
//16px per bar-set, halved, minus 6px per char, halved (5*length)
// $textcenter = $length * 5 * $widthScale;
//$textcenter = ($length * 8 * $widthScale) - ($length * 3);
//
// imageString($barcode, 2, $textcenter, $height-13, $text, $black);
header("Content-type: image/png");
// out out the image
imagepng($barcode);
}
public function createImage($text = '', $fontSize = 5)
{
// GD's built-in fonts are numbered from 1 - 5
$font_size = $fontSize;
// Calculate the appropriate image size
$image_height = intval(imageFontHeight($font_size) * 2);
$image_width = intval(strlen($text) * imageFontWidth($font_size) * 1.3);
// Create the image
$image = imageCreate($image_width, $image_height);
// Create the colors to use in the image
// gray background
$back_color = imageColorAllocate($image, 216, 216, 216);
// blue text
$text_color = imageColorAllocate($image, 0, 0, 255);
// black border
$rect_color = imageColorAllocate($image, 0, 0, 0);
// Figure out where to draw the text
// (Centered horizontally and vertically
$x = ($image_width - imageFontWidth($font_size) * strlen($text)) / 2;
$y = ($image_height - imageFontHeight($font_size)) / 2;
// Draw the text
imageString($image, $font_size, $x, $y, $text, $text_color);
// Draw a black border
imageRectangle($image, 0, 0, imageSX($image) - 1, imageSY($image) - 1, $rect_color);
// Send the image to the browser
header('Content-Type: image/png');
imagePNG($image);
imageDestroy($image);
}
function createAICode()
{
global $bBlog;
$code = $this->randomString();
$bBlog->db->query("\n\tDELETE FROM `" . T_CHECKCODE . "` WHERE `timestamp`+3000<NOW()");
$bBlog->db->query("\n\tINSERT INTO `" . T_CHECKCODE . "` ( `id` , `checksum` , `timestamp` )\n\tVALUES ('', '" . md5($code . $_SERVER["REMOTE_ADDR"]) . "', NOW( ))");
if (!isset($plugins_dir)) {
$plugins_dir = dirname(__FILE__) . '/';
}
$fontfile = "atomicclockradio.ttf";
$font = $plugins_dir . $fontfile;
$im = @imageCreate(110, 50) or die("Cannot Initialize new GD image stream");
$background_color = imageColorAllocate($im, 195, 217, 255);
$text_color = imageColorAllocate($im, 168, 18, 19);
ImageTTFText($im, 20, 5, 18, 38, $text_color, $font, $code);
// Date in the past
header("Expires: Thu, 28 Aug 1997 05:00:00 GMT");
// always modified
$timestamp = gmdate("D, d M Y H:i:s");
header("Last-Modified: " . $timestamp . " GMT");
// HTTP/1.1
header("Cache-Control: no-store, no-cache, must-revalidate");
header("Cache-Control: post-check=0, pre-check=0", false);
// HTTP/1.0
header("Pragma: no-cache");
// dump out the image
header("Content-type: image/png");
ImagePNG($im);
}
private function getCreateImage()
{
$this->image = imageCreate($this->width, $this->height);
$background = imageColorAllocate($this->image, 255, 255, 255);
$border = imageColorAllocate($this->image, 0, 0, 0);
imageRectangle($this->image, 0, 0, $this->width - 1, $tihs->height - 1, $border);
}
function king_def()
{
global $king;
header("Cache-Control: no-cache, must-revalidate");
// HTTP/1.1
header("Expires: Mon, 26 Jul 1997 05:00:00 GMT");
// 过去的时间
header("Content-type: image/png");
$salt = kc_get('salt', 1, 1);
$width = $king->config('verifywidth');
//图片长度
$height = $king->config('verifyheight');
//图片高度
$size = $king->config('verifysize');
//文字大小
$num = $king->config('verifynum');
//文字数量
$content = $king->config('verifycontent');
//随机字符
$array_content = explode('|', $content);
$array_content = array_diff($array_content, array(null));
$array_font = kc_f_getdir('system/verify_font', 'ttf|ttc');
$str = '';
$img = imageCreate($width, $height);
//创建一个空白图像
imageFilledRectangle($img, 0, 0, $width, $height, imagecolorallocate($img, 255, 255, 255));
//写字
for ($i = 0; $i < $num; $i++) {
$code = $array_content[array_rand($array_content)];
$str .= $code;
//验证码字符
$color = imageColorAllocate($img, rand(0, 128), rand(0, 128), rand(0, 128));
$font = 'verify_font/' . $array_font[array_rand($array_font)];
//随机读取一个字体
$left = rand(round($size * 0.2), round($size * 0.4)) + $i * $size;
imagettftext($img, rand(round($size * 0.7), $size), rand(-20, 20), $left, rand(round($size * 1.2), $size * 1.4), $color, $font, $code);
}
//画星号
$max = $width * $height / 400;
for ($i = 0; $i < $max; $i++) {
imagestring($img, 15, rand(0, $width), rand(0, $height), '*', rand(192, 250));
}
//画点
$max = $width * $height / 40;
for ($i = 0; $i < $max; $i++) {
imageSetPixel($img, rand(0, $width), rand(0, $height), rand(1, 200));
}
//画线
$max = $width * $height / 800;
for ($i = 0; $i < $max; $i++) {
imageline($img, rand(0, $width), rand(0, $height), rand(0, $width), rand(0, $height), rand(0, 255));
}
//写验证码到verify中
$verify = new KC_Verify_class();
$verify->Put($salt, $str);
imagePng($img);
imageDestroy($img);
$verify->Clear();
}
private function getCreateImage()
{
//用来创建图像资源，并初使化背影
$this->image = imageCreate($this->width, $this->height);
$back = imageColorAllocate($this->image, 255, 255, 255);
$border = imageColorAllocate($this->image, 0, 0, 0);
imageRectangle($this->image, 0, 0, $this->width - 1, $this->height - 1, $border);
}
function writeCopy($filename, $width, $height) {
if($this->isLoaded()) {
$imageNew = imageCreate($width, $height);
if(!$imageNew) {
echo "ERREUR : Nouvelle image non créée";
}
imageCopyResized($imageNew, $this->image, 0, 0, 0, 0, $width, $height, $this->width, $this->height);
imageJpeg($imageNew, $filename);
}
}
function sendErrorImageAndDie($cerr)
{
$new = imageCreate(600, 30);
$bgc = imageColorAllocate($new, 255, 255, 255);
$tc = imageColorAllocate($new, 0, 0, 0);
imageFilledRectangle($new, 0, 0, 150, 30, $bgc);
imageString($new, 5, 5, 5, "Error: {$cerr}", $tc);
sendImage($new);
die;
}
private function getCreateImage()
{
//创建指定大小的画布(基于调色板)
$this->image = imageCreate($this->width, $this->height);
//设置颜色(白色)
$back = imagecolorallocate($this->image, 255, 255, 255);
//设置颜色(黑色)
$border = imagecolorallocate($this->image, 0, 0, 0);
//在图像中绘制一个矩形
imageRectangle($this->image, 0, 0, $this->width - 1, $this->height - 1, $border);
}
function Generate($imgName)
{
// $this->GenStr();
$this->img = imageCreate(200, 50);
$this->GenColors();
$this->PutLetters();
$this->PutEllipses();
$this->PutLines();
imagePNG($this->img, $imgName);
return $this->strCheck;
}
function create_avatar($imgpath, $thumbpath, $neueBreite, $neueHoehe)
{
$size = getimagesize($imgpath);
$breite = $size[0];
$hoehe = $size[1];
$RatioW = $neueBreite / $breite;
$RatioH = $neueHoehe / $hoehe;
if ($RatioW < $RatioH) {
$neueBreite = $breite * $RatioW;
$neueHoehe = $hoehe * $RatioW;
} else {
$neueBreite = $breite * $RatioH;
$neueHoehe = $hoehe * $RatioH;
}
$neueBreite = round($neueBreite, 0);
$neueHoehe = round($neueHoehe, 0);
if (function_exists('gd_info')) {
$tmp = gd_info();
$imgsup = $tmp['GIF Create Support'] ? 1 : 2;
unset($tmp);
} else {
$imgsup = 2;
}
if ($size[2] < $imgsup or $size[2] > 3) {
return false;
}
if ($size[2] == 1) {
$altesBild = imagecreatefromgif($imgpath);
} elseif ($size[2] == 2) {
$altesBild = imagecreatefromjpeg($imgpath);
} elseif ($size[2] == 3) {
$altesBild = imagecreatefrompng($imgpath);
}
if (function_exists('imagecreatetruecolor') and $size[2] != 1) {
$neuesBild = png_create_transparent($neueBreite, $neueHoehe);
imagecopyresampled($neuesBild, $altesBild, 0, 0, 0, 0, $neueBreite, $neueHoehe, $breite, $hoehe);
} elseif (function_exists('imagecreatetruecolor') and $size[2] == 1) {
$neuesBild = imageCreate($neueBreite, $neueHoehe);
gif_create_transparent($neuesBild, $altesBild);
imagecopyresampled($neuesBild, $altesBild, 0, 0, 0, 0, $neueBreite, $neueHoehe, $breite, $hoehe);
} else {
$neuesBild = imageCreate($neueBreite, $neueHoehe);
imageCopyResized($neuesBild, $altesBild, 0, 0, 0, 0, $neueBreite, $neueHoehe, $breite, $hoehe);
}
if ($size[2] == 1) {
ImageGIF($neuesBild, $thumbpath);
} elseif ($size[2] == 2) {
ImageJPEG($neuesBild, $thumbpath);
} elseif ($size[2] == 3) {
ImagePNG($neuesBild, $thumbpath);
}
return true;
}
function show_emptyimg($format = 'gif')
{
header('Content-Type: image/' . $format);
$width = 1;
$height = 1;
$img = imageCreate($width, $height);
//imageFilledRectangle($img, 0, 0, $width, $height, imagecolorallocate($img, 255, 255, 255));
ImageColorTransparent($img, imagecolorallocate($img, 255, 255, 255));
imagegif($img);
imagedestroy($img);
exit;
}
function text2image($height, $text)
{
header("Content-type: image/png");
$width = $height * strlen($text)/ 5 * 2;
$font = "/usr/share/fonts/truetype/ttf-dejavu/DejaVuSans.ttf";
$image = imageCreate($width, $height);
$backgroundColor = imageColorAllocate($image, 255, 255, 255);
$textColor = imageColorAllocate($image, 0, 0, 0);
imagefttext($image, $height/2, 0, 0, $height/10*9, $textColor, $font, $text);
imageInterlace($image, 1);
imageColorTransparent($image, $backgroundColor);
imagePNG($image);
}
public function renderFrame(float $t, int $width, int $height)
{
$image = \imageCreate($width, $height);
$palette = [];
foreach (self::PICO_8_PALETTE as list($red, $green, $blue)) {
$palette[] = \imageColorAllocate($image, $red, $green, $blue);
}
for ($x = 0; $x < $width; $x++) {
for ($y = 0; $y < $height; $y++) {
$value = ($this->function)($x - $width / 2, $y - $height / 2, $t);
\imageSetPixel($image, $x, $y, $palette[self::mod(abs(floor($value)), count($palette))]);
}
}
return $image;
}
/**
* Placeholder code adapted from dummyimage.com
*/
public static function placeholder($width, $height)
{
$file_format = 'gif';
$width = $width;
$height = $height;
$text_angle = 0;
$font = Load::getModulePath('media') . 'assets/mplus-1c-medium.ttf';
$img = imageCreate($width, $height);
$bg_color = imageColorAllocate($img, 196, 196, 196);
$fg_color = imageColorAllocate($img, 94, 94, 94);
$lines = 1;
$text = $width . 'x' . $height;
$fontsize = max(min($width / strlen($text) * 1.15, $height * 0.5), 5);
$textBox = self::_imagettfbbox_t($fontsize, $text_angle, $font, $text);
$textWidth = ceil(($textBox[4] - $textBox[1]) * 1.07);
$textHeight = ceil((abs($textBox[7]) + abs($textBox[1])) * 1);
$textX = ceil(($width - $textWidth) / 2);
$textY = ceil(($height - $textHeight) / 2 + $textHeight);
imageFilledRectangle($img, 0, 0, $width, $height, $bg_color);
imagettftext($img, $fontsize, $text_angle, $textX, $textY, $fg_color, $font, $text);
$offset = 60 * 60 * 24 * 14;
//14 Days
$ExpStr = "Expires: " . gmdate("D, d M Y H:i:s", time() + $offset) . " GMT";
header($ExpStr);
//Set a far future expire date. This keeps the image locally cached by the user for less hits to the server.
header('Cache-Control: max-age=120');
header("Last-Modified: " . gmdate("D, d M Y H:i:s", time() - $offset) . " GMT");
header('Content-type: image/' . $file_format);
//Set the header so the browser can interpret it as an image and not a bunch of weird text.
switch ($file_format) {
case 'gif':
imagegif($img);
break;
case 'png':
imagepng($img);
break;
case 'jpg':
imagejpeg($img);
break;
case 'jpeg':
imagejpeg($img);
break;
}
imageDestroy($img);
exit;
}
function FunctionGraph($x1 = 2, $y1 = 2)
{
$width = 800;
$height = 600;
$this->x0 = -$x1;
$this->y0 = -$y1;
$this->x1 = $x1;
$this->y1 = $y1;
$this->posX0 = $width / 2;
$this->posY0 = $height / 2;
$this->scale = (double) ($width - 20) / ($this->x1 - $this->x0);
$this->img = imageCreate($width, $height);
$this->wte = imageColorAllocate($this->img, 255, 255, 255);
$this->blk = imageColorAllocate($this->img, 0, 0, 0);
$this->gry = imageColorAllocate($this->img, 100, 100, 100);
$this->grn = imageColorAllocate($this->img, 0, 150, 0);
$this->blu = imageColorAllocate($this->img, 0, 0, 150);
}
public function creat_images($num)
{
$type = 2;
header("Content-type: image/PNG");
// 產生種子, 作圖形干擾用
srand((double) microtime() * 10000000000);
// 產生圖檔, 及定義顏色
$img_x = 120;
$img_y = 28;
$im = imageCreate($img_x, $img_y);
//ImageColorAllocate 分配圖形的顏色
$back = ImageColorAllocate($im, rand(200, 255), rand(200, 255), rand(200, 255));
$authText = $this->num2adb($num);
imageFill($im, 0, 0, $back);
// imageString($im, 5, rand(0,55), rand(0,40), $authText, $font);
$str_x = 0;
$str_y = 0;
for ($i = 0; $i < strlen($authText); $i++) {
$str_x += rand(10, 20);
$str_y = rand(0, $img_y / 2);
$font = ImageColorAllocate($im, rand(0, 100), rand(0, 100), rand(0, 100));
imageString($im, 5, $str_x, $str_y, $authText[$i], $font);
}
// 插入圖形干擾點共 50 點, 可插入更多, 但可能會使圖形太過混雜
for ($i = 0; $i < rand(50, 200); $i++) {
$point = ImageColorAllocate($im, rand(0, 255), rand(0, 255), rand(0, 255));
imagesetpixel($im, rand(0, $img_x), rand(0, $img_y), $point);
}
for ($i = 1; $i <= rand(2, 5); $i++) {
$point = ImageColorAllocate($im, rand(0, 255), rand(0, 255), rand(0, 255));
imageline($im, rand(0, $img_x), rand(0, $img_y), rand(0, $img_x), rand(0, $img_y), $point);
}
// 定義圖檔類型並輸入, 最後刪除記憶體
if ($type == 1) {
ob_start();
ImagePNG($im);
$output = ob_get_contents();
ob_end_clean();
echo base64_encode($output);
} else {
ImagePNG($im);
}
ImageDestroy($im);
}
/**
* Create test image.
*
* @param string $filename
* @return void
*/
protected function createTestImage($filename)
{
$filename = $this->getFullPath($filename);
if (!file_exists($filename)) {
// Create an image with the specified dimensions
$image = imageCreate(300, 200);
// Create a color (this first call to imageColorAllocate
// also automatically sets the image background color)
$colorYellow = imageColorAllocate($image, 255, 255, 0);
// Draw a rectangle
imageFilledRectangle($image, 50, 50, 250, 150, $colorYellow);
$directory = dirname($filename);
if (!file_exists($directory)) {
mkdir($directory, 0777, true);
}
imageJpeg($image, $filename);
// Release memory
imageDestroy($image);
}
}
public function getPNG()
{
// создаем картинку
$image = imageCreate($this->width + $this->widthLegend, $this->height);
$backColor = imageColorAllocate($image, $this->colorBG >> 16, ($this->colorBG >> 8) % 256, $this->colorBG % 256);
$centerColor = imageColorAllocate($image, $this->colorCenter >> 16, ($this->colorCenter >> 8) % 256, $this->colorCenter % 256);
$pointsColor = imageColorAllocate($image, $this->colorPoints >> 16, ($this->colorPoints >> 8) % 256, $this->colorPoints % 256);
$legendColor = imageColorAllocate($image, $this->colorLegend >> 16, ($this->colorLegend >> 8) % 256, $this->colorLegend % 256);
// background
imageFilledRectangle($image, 0, 0, $this->width, $this->height, $backColor);
imageRectangle($image, $this->width, 0, $this->widthLegend + $this->width - 1, $this->height - 1, $legendColor);
// добавляем масштаб в легенду
imageLine($image, $this->width + 10, $this->height - $this->fontSize * 2 - 1, $this->width + 10, $this->height - $this->fontSize * 2 + 1, $legendColor);
imageLine($image, $this->width + 10, $this->height - $this->fontSize * 2, $this->width + 20, $this->height - $this->fontSize * 2, $legendColor);
imageLine($image, $this->width + 20, $this->height - $this->fontSize * 2 - 1, $this->width + 20, $this->height - $this->fontSize * 2 + 1, $legendColor);
imageTTFText($image, $this->fontSize, 0, $this->width + $this->fontSize + 20, $this->height - $this->fontSize * 1.5, $legendColor, $this->pathToFont, "{$this->metersIn10Pix} {$this->metersLabel}");
// center
imageFilledEllipse($image, $this->centerWidth, $this->centerHeight, $this->sizePoints, $this->sizePoints, $centerColor);
imageTTFText($image, $this->fontSize, 0, $this->centerWidth, $this->centerHeight + $this->fontSize + $this->sizePoints, $centerColor, $this->pathToFont, "0");
imageTTFText($image, $this->fontSize, 0, $this->width + $this->fontSize, $this->fontSize * 2, $legendColor, $this->pathToFont, "0 - {$this->centerLabel}");
// points
$i = 1;
foreach ($this->pointsBased as $v) {
$angle = $v->getPoint()->getAzimuth() - 90;
// угол для тригонометрии
$pointWidth = $this->centerWidth + $this->k * ($v->getPoint()->getDistance() * cos(deg2rad($angle)));
$pointHeight = $this->centerHeight + $this->k * ($v->getPoint()->getDistance() * sin(deg2rad($angle)));
// рисуем точку
imageEllipse($image, $pointWidth, $pointHeight, $this->sizePoints, $this->sizePoints, $pointsColor);
// подпись
imageTTFText($image, $this->fontSize, 0, $pointWidth, $pointHeight + $this->fontSize + $this->sizePoints, $pointsColor, $this->pathToFont, $i);
// в легенду
imageTTFText($image, $this->fontSize, 0, $this->width + $this->fontSize, $this->fontSize * 2 * ($i + 1), $legendColor, $this->pathToFont, "{$i} - " . $v->getTitle());
$i++;
}
ob_start();
imagePng($image);
$str = ob_get_clean();
return $str;
}
function draw()
{
header("Content-type: image/" . $this->format);
$this->image = imageCreate($this->x, $this->y);
$transparrent = ImageColorAllocate($this->image, 254, 254, 254);
imagecolortransparent($this->image, $transparrent);
$black = ImageColorAllocate($this->image, 0, 0, 0);
$white = ImageColorAllocate($this->image, 255, 255, 255);
ImageFill($this->image, 0, 0, $transparrent);
//Shadow
imagefilledellipse($this->image, $this->x / 2 + 5, $this->y / 2 + 5, $this->x - 20, $this->y - 20, $black);
//Main Circle
imagefilledellipse($this->image, $this->x / 2, $this->y / 2, $this->x - 20, $this->y - 20, $white);
//Inner Ring
imageellipse($this->image, $this->x / 2, $this->y / 2, $this->x - 20, $this->y - 20, $black);
//Needle
imagefilledrectangle($this->image, $this->x / 2 - 2, 30, $this->x / 2 + 2, $this->y / 2, $black);
//Center Pin
imagefilledellipse($this->image, $this->x / 2, $this->y / 2, 10, 10, $black);
ImagePNG($this->image);
ImageDestroy($this->image);
}
function create_thumb($imgpath, $thumbpath, $neueBreite)
{
$size = getimagesize($imgpath);
$breite = $size[0];
$hoehe = $size[1];
$neueHoehe = intval($hoehe * $neueBreite / $breite);
if (function_exists('gd_info')) {
$tmp = gd_info();
$imgsup = $tmp['GIF Create Support'] ? 1 : 2;
unset($tmp);
} else {
$imgsup = 2;
}
if ($size[2] < $imgsup or $size[2] > 3) {
return FALSE;
}
if ($size[2] == 1) {
$altesBild = imagecreatefromgif($imgpath);
} elseif ($size[2] == 2) {
$altesBild = imagecreatefromjpeg($imgpath);
} elseif ($size[2] == 3) {
$altesBild = imagecreatefrompng($imgpath);
}
if (function_exists('imagecreatetruecolor') and $size[2] != 1) {
$neuesBild = imagecreatetruecolor($neueBreite, $neueHoehe);
imagecopyresampled($neuesBild, $altesBild, 0, 0, 0, 0, $neueBreite, $neueHoehe, $breite, $hoehe);
} else {
$neuesBild = imageCreate($neueBreite, $neueHoehe);
imageCopyResized($neuesBild, $altesBild, 0, 0, 0, 0, $neueBreite, $neueHoehe, $breite, $hoehe);
}
if ($size[2] == 1) {
ImageGIF($neuesBild, $thumbpath);
} elseif ($size[2] == 2) {
ImageJPEG($neuesBild, $thumbpath);
} elseif ($size[2] == 3) {
ImagePNG($neuesBild, $thumbpath);
}
return TRUE;
}
public static function show()
{
$width = self::$width;
$height = self::$height;
$len = self::$len;
$bgcolor = self::$bgcolor;
$noise = self::$noise;
$noisenum = self::$noisenum;
$border = self::$border;
$bordercolor = self::$bordercolor;
self::$_image = imageCreate($width, $height);
$back = self::getcolor($bgcolor);
imageFilledRectangle(self::$_image, 0, 0, $width, $height, $back);
$size = $width / $len;
if ($size > $height) {
$size = $height;
}
$left = ($width - $len * ($size + $size / 10)) / $size;
for ($i = 0; $i < $len; $i++) {
$randtext = self::vchar();
self::$_code .= $randtext;
$textColor = imageColorAllocate(self::$_image, rand(0, 100), rand(0, 100), rand(0, 100));
$font = dirname(__FILE__) . "/3.ttf";
$randsize = rand($size - $size / 5, $size - $size / 10);
$location = $left + ($i * $size + $size / 10);
imagettftext(self::$_image, $randsize, rand(-18, 18), $location, rand($size - $size / 100, $size + $size / 100), $textColor, $font, $randtext);
}
if ($noise == true) {
self::setnoise();
}
self::setCode(self::$_code);
//setrawcookie("code",$code,time()+3600,"/");
//setcookie("code", $code, time()+120);
$bordercolor = self::getcolor($bordercolor);
if ($border == true) {
imageRectangle(self::$_image, 0, 0, $width - 1, $height - 1, $bordercolor);
}
return self::$_image;
}
function create_image($text, $size, $font, $color, $bgcolor, $x = 0, $y = 0)
{
if ($x > 0) {
$img_x = $x;
} else {
$img_x = $size * 0.8 * strlen($text);
}
// the factor reduces the amount of whitespace at the end of the string
if ($y > 0) {
$img_y = $y;
} else {
$img_y = $size + 10;
}
$img_base = (int) (($size + 10) * 0.75);
// a rough guesstimate of where the text baseline should be in the image
// echo "Text is $text, $img_x, $img_y, $img_base, R: $r G: $g B: $b <br />"; exit;
$im = @imageCreate($img_x, $img_y) or die("Cannot Initialize new GD image stream");
$background_color = imageColorAllocate($im, hexdec(substr($bgcolor, 0, 2)), hexdec(substr($bgcolor, 2, 2)), hexdec(substr($bgcolor, 4, 2)));
$text_color = imageColorAllocate($im, hexdec(substr($color, 0, 2)), hexdec(substr($color, 2, 2)), hexdec(substr($color, 4, 2)));
ImageTTFText($im, $size, 0, 2, $img_base, $text_color, $font, $text);
/*
// Date in the past
header("Expires: Thu, 28 Aug 1997 05:00:00 GMT");
// always modified
$timestamp = gmdate("D, d M Y H:i:s");
header("Last-Modified: " . $timestamp . " GMT");
// HTTP/1.1
header("Cache-Control: no-store, no-cache, must-revalidate");
header("Cache-Control: post-check=0, pre-check=0", false);
// HTTP/1.0
header("Pragma: no-cache");
*/
// dump out the image
header("Content-type: image/jpeg");
ImageJPEG($im);
}
/**
* Create PNG of font name written with font TTF.
*/
public function generate_image()
{
$width = $height = $font_size = $left_margin = $background_color = $font_color = false;
extract($this->preview_attributes, EXTR_IF_EXISTS);
// Text Mask
$mask = imageCreate($width, $height);
$background = imageColorAllocate($mask, $background_color[0], $background_color[1], $background_color[2]);
$foreground = imageColorAllocate($mask, $font_color[0], $font_color[1], $font_color[2]);
$ttf_path = $this->font->maybe_get_remote_ttf();
if (!file_exists($ttf_path)) {
wp_die('Could not load $ttf_path: ' . $ttf_path);
}
// Text
$y = $this->get_centered_y_coordinate($font_size, $ttf_path, $this->font->family);
imagettftext($mask, $font_size, 0, $left_margin, $y, $foreground, $ttf_path, $this->font->family);
// White fill
$white = imageCreate($width, $height);
$background = imageColorAllocate($white, $background_color[0], $background_color[1], $background_color[2]);
// Image
$image = imagecreatetruecolor($width, $height);
imagesavealpha($image, true);
imagefill($image, 0, 0, imagecolorallocatealpha($image, 0, 0, 0, 127));
// Apply Mask to Image
for ($x = 0; $x < $width; $x++) {
for ($y = 0; $y < $height; $y++) {
$alpha = imagecolorsforindex($mask, imagecolorat($mask, $x, $y));
$alpha = 127 - floor($alpha['red'] / 2);
$color = imagecolorsforindex($white, imagecolorat($white, $x, $y));
imagesetpixel($image, $x, $y, imagecolorallocatealpha($image, $color['red'], $color['green'], $color['blue'], $alpha));
}
}
ob_start();
imagePNG($image);
$image = ob_get_clean();
$this->save_image($image);
// header("Content-type: image/png");
// echo $image;
}
/**
* 显示验证码
*
*/
function show()
{
$this->image = imageCreate($this->width, $this->height);
$this->back = $this->getColor($this->bgcolor);
imageFilledRectangle($this->image, 0, 0, $this->width, $this->height, $this->back);
$size = $this->width / $this->charLen - 4;
if ($size > $this->height) {
$size = $this->height;
}
$left = ($this->width - $this->charLen * ($size + $size / 10)) / $size + 5;
$code = '';
for ($i = 0; $i < $this->charLen; $i++) {
$randKey = rand(0, count($this->arrChr) - 1);
$randText = $this->arrChr[$randKey];
$code .= $randText;
$textColor = imageColorAllocate($this->image, rand(0, 100), rand(0, 100), rand(0, 100));
$font = $this->fontPath . "1.ttf";
$randsize = rand($size - $size / 10, $size + $size / 10);
$location = $left + ($i * $size + $size / 10);
imagestring($this->image, mt_rand(3, 5), $location, 5, $randText, imagecolorallocate($this->image, mt_rand(0, 100), mt_rand(0, 150), mt_rand(0, 200)));
//imagettftext($this->image, $randsize, rand(- 18, 18), $location, rand($size - $size / 10, $size + $size / 10) + 2, $textColor, $font, $code);
}
if ($this->showNoisePix == true) {
$this->setNoisePix();
}
if ($this->showNoiseLine == true) {
$this->setNoiseLine();
}
if ($this->showBorder == true) {
$this->borderColor = $this->getColor($this->borderColor);
imageRectangle($this->image, 0, 0, $this->width - 1, $this->height - 1, $this->borderColor);
}
$this->CI->session->set_userdata('auth_code', $code);
ob_clean();
header("Content-type: image/jpeg");
imagejpeg($this->image);
imagedestroy($this->image);
}
public function index()
{
$new_number = "";
$img_width = 48;
$img_height = 16;
$mycharset = array();
for ($i = 0; $i <= 9; $i++) {
array_push($mycharset, $i);
}
for ($i = 0; $i < 26; $i++) {
array_push($mycharset, chr(ord("A") + $i));
}
srand(microtime() * 100000);
for ($ti = 0; $ti < 4; $ti++) {
$newnumber = $mycharset[rand(0, 35)];
if ($newnumber == "0") {
$newnumber = 1;
}
if ($newnumber == "o" || $newnumber == "O") {
$newnumber = "L";
}
$new_number .= $newnumber;
}
$new_number = strtoupper($new_number);
$_SESSION["code"] = $new_number;
$number_img = imageCreate($img_width, $img_height);
imagecolorallocate($number_img, 255, 255, 255);
for ($i = 1; $i <= 128; $i++) {
imagestring($number_img, 1, mt_rand(1, $img_width), mt_rand(1, $img_height), "*", imagecolorallocate($number_img, mt_rand(200, 255), mt_rand(200, 255), mt_rand(200, 255)));
}
for ($i = 0; $i < strlen($new_number); $i++) {
imagestring($number_img, mt_rand(3, 5), $i * $img_width / 4 + mt_rand(1, 4), mt_rand(1, $img_height / 5), $new_number[$i], imagecolorallocate($number_img, mt_rand(0, 100), mt_rand(0, 150), mt_rand(0, 200)));
}
header('Content-Type: image/jpeg');
imagepng($number_img);
imagedestroy($number_img);
}
<?php
header("Content-type: image/gif");
dl('php3_gd.dll');
//header("Content-type: image/png");
$image = imageCreate(100, 100);
imageGIF($image);
//imagePNG($image);
// create an interlaced image for better loading in the browser
imageInterlace($image, 1);
// mark background color as being transparent
$colorBackgr = imageColorAllocate($image, 192, 192, 192);
imageColorTransparent($image, $colorBackgr);
